84486646485 has 32 divisors (see below), whose sum is σ = 150976759680. Its totient is φ = 44826061824.

The previous prime is 84486646469. The next prime is 84486646499. The reversal of 84486646485 is 58464668448.

It is not a de Polignac number, because 84486646485 - 2⁴ = 84486646469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1595259 + ... + 1647368.

It is an arithmetic number, because the mean of its divisors is an integer number (4718023740).

Almost surely, 2^84486646485 is an apocalyptic number.

It is an amenable number.

84486646485 is a deficient number, since it is larger than the sum of its proper divisors (66490113195).

84486646485 is a wasteful number, since it uses less digits than its factorization.

84486646485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242834 (or 3242828 counting only the distinct ones).

The product of its digits is 141557760, while the sum is 63.

The spelling of 84486646485 in words is "eighty-four billion, four hundred eighty-six million, six hundred forty-six thousand, four hundred eighty-five".